* {
    padding: 0;
    margin: 0;
}
body {
    height: 100%;
}
p {
    font-size: 16px;
    height: 16px;
    line-height: 16px;
}
input {
	border: none;
	background: none;
	outline: none;
}
a {
	/* 去掉下划线 */
	text-decoration: none;	
	color: inherit;
}